The Mississippi Press reported that the company says it now plans to double the plant's capacity to 320,000 metric tons of pellets a year -- boosting its initial investment from $25 million to $40 million.

The company also said Friday that it will build a Copiah County plant also able to produce 320,000 tons a year.

In early March, Vice President for Engineering Gary Ogle said the George County plant would be designed to produce about 160,000 metric tons of pellets per year but that the company planned to double production within 3 years.

An Iranian military observation aircraft flew within 50 yards of an armed U.S. Navy helicopter over the Persian Gulf this month, sparking concern that top Iranian commanders might not be in full control of local forces, CNN has learned.